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Drilling Rods


Panther 350 Bit

Original Carbide Dia : 13 mm
Grinding at Dia : 4 mm

Part No. :BP350



JCR 475 Bit
BJCR45  Drill  Bit
Original Carbide Dia : 13 mm
Grinding at Dia : 4 mm

Part No. : BJCR475


JCR 500 Bit
Original Carbide Dia : 13 mm
Grinding at Dia : 4 mm

Part No. : BJCR500


JCR 550 Bit
Original Carbide Dia : 13 mm
Grinding at Dia : 4 mm

Part No. : BJ550


JCR 60 Bit
Original Carbide Dia : 13 mm
Grinding at Dia : 4 mm

Part No. : BJCR600


JCR 65 Bit
Original Carbide Dia : 13 mm
Grinding at Dia : 4 mm

Part No. : BJCR650


Jet 60 Bit
Original Carbide Dia : 13 mm
Grinding at Dia : 4 mm

Part No. : BJ600


Jet 60 Bit
Original Carbide Dia : 13 mm
Grinding at Dia : 4 mm

Part No. : BJ650

BIT MAINTENANCE

Carbide inserts should be ground when the buttons exhibits, flats equal to 1/3rd diameter of the insert.

Original Carbide Dia.
Grinding at Dia.
13 mm
4 mm
14 mm
5 mm
16 mm
5.6 mm
18 mm
6.0 mm

As the wear of the carbide increases, the rate of penetration goes down. Bit performs best when the carbide inserts (buttons) are in their original shapes. Worn bits have a direct effect on drilling productivity and drilling cost. Grinding can certainly improve drilling results and reduce overall related costs by both extending bit life and providing optimum performance.

Carbide (buttons) are resistant to wear and abrasion, they do indeed develop signs of wear. The most common wear pattern is a "flat" at the impact area. This is associated with drilling in hard and abrasive rock conditions. As this "flat" area becomes large the effective cutting action is reduced. If not corrected this situation can develop into large problems including carbide "breakage" or shearing". Grinding at regular intervals assures of maximum bit performance.


Drill Bits

Kenya Office
Water Africa Services Ltd,
off Mombasa Road, Near City Cabanas
P. O. Box 3730 - 00100, Nairobi, Kenya
t: +254 (20) 6750349/452, 82523/39/41/2, 201833
f: +254 (20) 825240 / 2081010
Cell: +254 (733) 750139
Cell: +254 (722) 389456
e:info@waterafrica.net
e:waterafrica@fastmail.fm
e:watrafrica@wananchi.net
Sudan Office
Water Africa Services Ltd,
Munuka Road Juba, South Sudan
Gemtel: +256 (477) 126575 /76/77,
thuraya:+8821 6212 76424 / 432
Zain:+249 917041821/822
Sudani: +249 (12) 6183451, 6298512/514
e:jubawater@waterafrica.net